John Zesk, M.D.
NPI 1629005004 · Cardiovascular Disease Physician · Wallingford, CT
John Zesk, M.D. is a Cardiovascular Disease Physician provider in Wallingford, CT (NPI 1629005004).
Provider details
- NPI number
- 1629005004
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 019497 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-28
- Last updated
- 2008-04-29
Frequently asked questions
- What is John Zesk's NPI number?
- John Zesk's National Provider Identifier (NPI) is 1629005004, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Zesk's specialty?
- John Zesk is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is John Zesk located?
- John Zesk's practice location on file with NPPES is 97 Barnes Road, Wallingford, CT 06492.
- What is John Zesk's phone number?
- The practice phone number listed in the NPPES registry for John Zesk is (203) 284-3137.
- Is John Zesk's NPI active?
- Yes — John Zesk's NPI (1629005004) is active in the NPPES registry as of the last update on 2008-04-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.